Johnston City, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    60% Chance of Storms
    65°
    Wednesday 5/8
    Forecast night icon
    65°
    60% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 62F with an average humidity of 95%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Thursday
    Partly Sunny
    78°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Thursday 5/9
    Day
    78°
    Partly Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny this morning then clearing. Highs in the upper 70s. West winds 10 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest winds 10 to 15 mph.
  • Forecast day icon
    Friday
    Partly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Friday 5/10
    Day
    69°
    Partly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs around 70. North winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph becoming west after midnight.
  • Forecast day icon
    Saturday
    Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 5/11
    Day
    75°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/12
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    74°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Monday 5/13
    Day
    74°
    50% Chance Rain Showers
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    61°
    Tuesday 5/14
    Day
    73°
    70% Chance of Storms
    Forecast day icon
    Night
    61°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers in the morning then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Rain
    61°
    Wednesday 5/15
    Day
    76°
    40% Chance of Storms
    Forecast day icon
    Night
    61°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 60F with an average humidity of 82%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Thursday 5/16
    Day
    76°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 76F. Dew point will be around 60F with an average humidity of 70%. Winds will be 3 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 58F with an average humidity of 79%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    30% Chance of Rain
    60°
    Friday 5/17
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 75F. Dew point will be around 59F with an average humidity of 68%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 60F. Dew point will be around 57F with an average humidity of 78%. Winds will be 2 mph from the W.